The lumbosacral joint connects these bones. L5-S1 is vulnerable to misalignment and injury. It can also be the site of a disc ...

or L5-S1. The muscles in your lumbar spine work with your abdominal muscles to move your torso and lower back. These muscles include: Above and below each vertebra is an intervertebral disc.

Results: The disc signal intensity was progressively reduced the more caudal the disc space. It was most common at the L5/S1 level, and, of the abnormal group, 36% (n = 11) showed the most ...